Pontiac GTO 2004 - 2006 5.7 V8 350hp
Real standard and upgraded performance figures for the 5.7 V8 350hp engine in the Pontiac GTO 2004 - 2006.
This page covers the 5.7 V8 350hp as fitted to the Pontiac GTO 2004 - 2006 — the figures below reflect that specific engine, not the model as a whole.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 350 | 495 |
| Stage 1 | 370 | 525 |
| Stage 2 | 380 | 540 |
- Make
- Pontiac
- Model
- GTO
- Generation
- 2004 - 2006
- Engine
- 5.7 V8 350hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Pontiac GTO 2004 - 2006 5.7 V8 350hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 5.7 V8 350hp make after tuning?
Standard output is 350 HP / 495 Nm; Stage 1 on this engine typically reaches 370 HP / 525 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Pontiac GTO 2004 - 2006 5.7 V8 350hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 5.7 V8 350hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.